<template>
<div class="login_container">
  <div class="login_box">
    <!-- 头像区域 -->
  <div class="avatar_box">
    <img src="../assets/logo.png" alt="">
  </div>
  <!-- 登录表单区域 -->
  <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
    <!-- 用户名 -->
  <el-form-item prop="username">
    <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
  </el-form-item>
  <!-- 密码 -->
   <el-form-item prop="password">
    <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
  </el-form-item>
  <!-- 按钮 -->
    <el-form-item class="btns">
    <el-button type="primary" @click="login">登录</el-button>
    <el-button type="info" @click="reseLoginForm">重置</el-button>
  </el-form-item>
  </el-form>
</div>
</div>
</template>

<script>
export default {
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      // 表单验证规则对象
      loginFormRules: {
        // 验证用户名是否合法
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        // 验证密码是否合法
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    reseLoginForm () {
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('登录失败')
        this.$message.success('登录成功')
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }
}

</script>
<style lang="less" scoped>
.login_container{
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #ffff;
  border-radius: 3px;
  position: absolute;
  left:50%;
  top:50%;
  transform:translate(-50%, -50%);

  .avatar_box{
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    img{
      width:100%;
      height:100%;
      border-radius: 50%;
      background-color: #eee;
    }

  }
}
.login_form{
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;

}
.btns{
  display: flex;
  justify-content: flex-end;

}
</style>
